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.\" Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
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.\" (Royal Institute of Technology, Stockholm, Sweden).
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" 3. Neither the name of the Institute nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id$
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.\"
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.Dd April 14, 2005
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.Dt KTUTIL 8
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.Os HEIMDAL
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.Sh NAME
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.Nm ktutil
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.Nd manage Kerberos keytabs
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.Sh SYNOPSIS
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.Nm
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.Oo Fl k Ar keytab \*(Ba Xo
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.Fl Fl keytab= Ns Ar keytab
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.Xc
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.Oc
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.Op Fl v | Fl Fl verbose
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.Op Fl Fl version
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.Op Fl h | Fl Fl help
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.Ar command
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.Op Ar args
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.Sh DESCRIPTION
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.Nm
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is a program for managing keytabs.
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Supported options:
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.Bl -tag -width Ds
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.It Fl v , Fl Fl verbose
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Verbose output.
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.El
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.Pp
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.Ar command
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can be one of the following:
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.Bl -tag -width srvconvert
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.It add Oo Fl p Ar principal Oc Oo Fl Fl principal= Ns Ar principal Oc \
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Oo Fl V Ar kvno Oc Oo Fl Fl kvno= Ns Ar kvno Oc Oo Fl e Ar enctype Oc \
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Oo Fl Fl enctype= Ns Ar enctype Oc Oo Fl w Ar password Oc \
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Oo Fl Fl password= Ns Ar password Oc Oo Fl r Oc Oo Fl Fl random Oc \
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Oo Fl s Oc Oo Fl Fl no-salt Oc Oo Fl H Oc Op Fl Fl hex
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Adds a key to the keytab. Options that are not specified will be
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prompted for. This requires that you know the password or the hex key of the
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principal to add; if what you really want is to add a new principal to
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the keytab, you should consider the
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.Ar get
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command, which talks to the kadmin server.
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.It change Oo Fl r Ar realm Oc Oo Fl Fl realm= Ns Ar realm Oc \
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Oo Fl Fl a Ar host Oc Oo Fl Fl admin-server= Ns Ar host Oc \
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Oo Fl Fl s Ar port Oc Op Fl Fl server-port= Ns Ar port
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Update one or several keys to new versions. By default, use the admin
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server for the realm of a keytab entry. Otherwise it will use the
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values specified by the options.
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.Pp
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If no principals are given, all the ones in the keytab are updated.
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.It copy Ar keytab-src Ar keytab-dest
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Copies all the entries from
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.Ar keytab-src
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to
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.Ar keytab-dest .
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.It get Oo Fl p Ar admin principal Oc \
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Oo Fl Fl principal= Ns Ar admin principal Oc Oo Fl e Ar enctype Oc \
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Oo Fl Fl enctypes= Ns Ar enctype Oc Oo Fl r Ar realm Oc \
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Oo Fl Fl realm= Ns Ar realm Oc Oo Fl a Ar admin server Oc \
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Oo Fl Fl admin-server= Ns Ar admin server Oc Oo Fl s Ar server port Oc \
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Oo Fl Fl server-port= Ns Ar server port Oc Ar principal ...
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For each
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.Ar principal ,
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generate a new key for it (creating it if it doesn't already exist),
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and put that key in the keytab.
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.Pp
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If no
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.Ar realm
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is specified, the realm to operate on is taken from the first
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principal.
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.It list Oo Fl Fl keys Oc Op Fl Fl timestamp
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List the keys stored in the keytab.
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.It remove Oo Fl p Ar principal Oc Oo Fl Fl principal= Ns Ar principal Oc \
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Oo Fl V kvno Oc Oo Fl Fl kvno= Ns Ar kvno Oc Oo Fl e enctype Oc \
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Oo Fl Fl enctype= Ns Ar enctype Oc
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Removes the specified key or keys. Not specifying a
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.Ar kvno
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removes keys with any version number. Not specifying an
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.Ar enctype
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removes keys of any type.
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.It rename Ar from-principal Ar to-principal
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Renames all entries in the keytab that match the
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.Ar from-principal
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to
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.Ar to-principal .
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.It purge Op Fl Fl age= Ns Ar age
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Removes all old versions of a key for which there is a newer version
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that is at least
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.Ar age
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(default one week) old.
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.El
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.Sh SEE ALSO
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.Xr kadmin 8
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